Linewidth and Temperature Shift of the R Lines in Ruby
- 1 June 1963
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 34 (6), 1682-1684
- https://doi.org/10.1063/1.1702657
Abstract
Improved experimental data have been obtained between 20° and 350°K for the widths and temperature shifts of the R lines in ruby. Above 77°K the results can be accurately described in terms of Raman scattering of Debye‐model phonons. There is no evidence for measurable contributions to the widths and shifts from direct processes involving emission or absorption of a single resonant phonon. Below 77°K the principal contributions are from crystal inhomogeneities.Keywords
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